Home / 5,176.70-7,760.37-2,055.99

Finding the Fourth Proportional to 5,176.70, 7,760.37 and 2,055.99

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Solution

The fourth proportional to 5,176.70, 7,760.37 and 2,055.99 is: 3,082.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.70 : 7,760.37 = 2,055.99 : x
  2. Step 2: Convert to fraction form
    5,176.70/7,760.37 = 2,055.99/x
  3. Step 3: Cross multiply
    5,176.70x = 7,760.37 × 2,055.99
  4. Step 4: Simplify right side
    5,176.70x = 15,955,268.36
  5. Step 5: Solve for x
    x = 15,955,268.36/5,176.70
  6. Step 6: Final answer
    x = 3,082.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.